• Sublime Core Feed
Medium Severity

File sharing link from suspicious sender domain

Description

A file sharing link in the body sent from a suspicious sender domain.

References

No references.

Sublime Security
Created Aug 17th, 2023 • Last updated Aug 27th, 2025
Source
type.inbound
and any(body.links,
        (
          .href_url.domain.domain in $free_file_hosts
          or .href_url.domain.root_domain in $free_file_hosts
        )
        // remove free_file_hosts used to host images as links
        and not any($file_types_images,
                    strings.iends_with(..href_url.url, strings.concat('.', .))
        )
)
and sender.email.domain.tld in $suspicious_tlds
and not sender.email.domain.root_domain in ("notion.so", "cribl.cloud")
and (
  not profile.by_sender().solicited
  or (
    profile.by_sender().any_messages_malicious_or_spam
    and not profile.by_sender().any_messages_benign
  )
)
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